File:Welding Helmet Effects on Breathing Zone Exposures.webm
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Welding_Helmet_Effects_on_Breathing_Zone_Exposures.webm (file size: 38.75 MB, MIME type: video/webm)
Summary
| Description |
English: Two welding helmets were tested using three welding process types, to determine whether they reduced fume concentrations inside the helmet relative to outside the helmet. Flux-cored and stick welding had higher in-helmet concentrations, and MIG welding had lower in-helmet concentrations, for both helmets tested. |
| Date | |
| Source | YouTube – View/save archived versions on archive.org and archive.today |
| Author | National Institute for Occupational Safety and Health, U.S. Centers for Disease Control and Prevention |
Licensing
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This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 19:03, 7 November 2016 | (38.75 MB) | imagescommonswiki>James Hare (NIOSH) | User created page with UploadWizard |
File usage
The following file is a duplicate of this file (more details):
- File:Welding Helmet Effects on Breathing Zone Exposures.webm from Wikimedia Commons
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